• LPC804 - Problem with pin P0.8

    Greetings, I'm working on a project with LPC804 (TSSOP20) and I came across a problem I can't handle. I have a simple program for capturing falling edges on pin P0.8. Pin P0.9 is used to control the thyristor and P0.1...
    Master Boy
    last modified by Master Boy

    I'm using the 1B version of LPC55S69.   When setting the BLOCK_SET_KEY to 01b (Disable PUF Key Code generation) of the SECURE_BOOT_CFG in the CMPA, blhost's receive-sb-file can't work with aborting. If we'd lik...
    Hideyuki Kamii
    last modified by Hideyuki Kamii
  • LPC55S69 : SAU minimal configuration

    Hi !   I would like to simplify memory attributes configuration and decide to disable IDAU. Looks like it is redundant in common cases.   Do I understand right and in case of SAU I should specify only NS a...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja
  • LPC55S69 : PUF usage

    Hello ! 1. Do I understand right and PUF can work with CoreClock up to 150 Mhz ? Or some limitation available  like with Flash memory operations ?   2. It is not so clear about recovery of PUF after Pow...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja
  • Clock idle level on SPI port LPC54628 not correct during DMA?

    Hello, we have a design with a LPC54628. Flexcomm6 is configured for SPI Master and is basically working fine (using DMA transfers). However, when looking at CPOL/CPHA, there is something not quite right. During "nor...
    Carsten Groen
    last modified by Carsten Groen
  • LPC55S69 : blhost, write activation code only

    Hi !   In PUF application note is mentioned how.to enroll PUF via ISP commands.   • Enroll the PUF—this command calls a ROM code that configures, starts, and enrolls the PUF periphery: .\blhost...
    Eugene Hiihtaja
    created by Eugene Hiihtaja
  • LPC55S69 : read FFR at 150Mhz

    Hello !   Do I undestand right and FFR API have 96Mhz limitation ?   I try to read AC code from it at Core clock 150Mhz and it freeze at some point in this code :   FLASH_Init(&flashInstance...
    Eugene Hiihtaja
    created by Eugene Hiihtaja
  • I2C Over USB Application using LPC1347 and LPCOpen

    Kerry Zhou     LPC1347 LPCOpen usbd_rom_hid_i2c example code     Hello,   For my project I am using an LPC1347 development board. I am trying to achieve an I2C communication with a Microchi...
    Madhukar Arora
    last modified by Madhukar Arora
  • USBD_API->hw->Init() will fail by garbage beyond the end of USB_FsConfigDescriptor[]

    Hi.   I'm testing LPC11U35FHI33/501, now about USB-ROM driver with the example of 'nxp_lpcxpresso_11u37_usbd_rom_composite' from lpcopen_v2_03_lpcxpresso_nxp_lpcxpresso_11u37h.zip.   The sample works well,...
    Shige URATAN
    last modified by Shige URATAN
  • Reinvoke ISP issue on a LPC802?

    Does anyone have an example of implementing the reinvoke_isp on a LPC802? Also what is meant by this line in the manual "If using USART ISP mode, enable the clocks to the default before calling this command."? Are th...
    last modified by t123456

    Hello,   We'd like LPC55S69 to enter "OEM Closed" lifecycle state and close all debug ports permanently. For this transition, which CMPA configuration is correct?   [Configuration 1] CMPA.CC_SOCU_PIN = 0...
    Hideyuki Kamii
    last modified by Hideyuki Kamii
  • Letter of Volatility-LPC178x/7x

    Hello,   I'm trying to obtain what's called a letter of volatility (LoV) for the referenced controller.  This letter or statement would break down the various memory modules that are present as well as...
    Brad Sweigert
    last modified by Brad Sweigert
  • Writing error using IAP functions

    Hello,   I am devoloping a bootloader implementation for LPC4333. For that, I am using the IAP functions to write on Flash. I am following the workflow I found in the AN10835 (for LPC2000).   I have 2 mai...
    Gaston Bassi
    last modified by Gaston Bassi
  • LPC54628 Brownout Interrupt Detection

    Hi, I am working with brownout interrupt detection on LPC54628. Lowering the VDD level to the BOD interrupt level triggers the interrupt. However the interrupt is constantly triggered while I am on this level (i.e....
    Daniel Gull
    last modified by Daniel Gull
  • ADC output fluctuation in LPC54608J512BD208 microcontroller

    Hi, I am using LPC54608J512BD208 microcontroller in an application. The ADC accuracy is crucial as the product is used in a Power protection segment. I am getting fluctuations in ADC output with constant DC input. ...
    Prasanna Naik
    created by Prasanna Naik
  • Lifetime of LPC54608

    Actually we are using LPC54608 Controller to interface 10 types of devices through serial ports. But the customer has asked me that, what is the lifetime of your major components in the product. In my routing pro...
    Avinash G
    last modified by Avinash G
  • JLink can not support LPC5514?

    I have a Jlink V10 and it can support LPC54618 well in a previous project. But when try to use it to debug the LPC5514 in another project, and give the tips: "The selected device LPC5514 is unknow to this version of t...
    weilin ge
    last modified by weilin ge
  • i2d_nss_example_1 -- Error : undefined reference to 'current native'

    I want to measure resistance using NHS3152 ADK, I have connected my resistor between ANA0 and ANA4.     I am trying to run i2d_nss_example_1, however i am getting undefined reference to 'current n...
    leo torchia
    last modified by leo torchia
  • NHS3152 ADK: Error exists in active configuration

    I am using NHS3152ADK, LPC-link2 and LPCXpresso IDE.    I am trying to run example adcdac_nss_example_1.  When i debug, i get the following message:    After i click proceed:&#...
    leo torchia
    last modified by leo torchia
  • LPC55S69 : reason for "Another secure bus error"

    Hi !   Quite often I have Hardfault with verdict:   Entering HardFault interrupt! Another secure bus error.   What can be reason for error what standart HardFault handler from SDK  can't decode&...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja